I've been working on a Ionic project for android, I am adding admobpro plugin in my project "cordova plugin add cordova-plugin-admobpro" it is successfully added and Added admob code in my app.js file. After that i try to build ionic app. After adding this plugin showing an error. ERROR building one of the platforms: Error: cmd: Command failed with exit code 8 You may not have the required environment or OS to build this project. Can any one tell why i am getting this error and solution.